| Date | IP Address |
| 2021-06-11 | 23.35.69.41 (ClassC) |
| 2023-07-25 | 23.205.110.135 (ClassC) |
| 2024-01-15 | 23.222.241.4 (ClassC) |
| 2024-09-03 | 23.192.230.136 (ClassC) |
| 2025-08-28 | 23.192.230.140 (ClassC) |
| Date | Domain | IP |
| mail2.alpine.co.jp | 2014-04-26 | 211.10.77.70 |
| image.ma.alpine.co.jp | 2024-09-03 | 23.192.230.136 |
| dl.alpine.co.jp | 2024-10-07 | 99.84.66.8 |
| www.alpine.co.jp | 2024-09-30 | 18.172.170.121 |